Add Meson build

Progress on #599. Tests still need to be done, though.

flake.nix

@@ -36,13 +36,25 @@
         ./completions
         ./patchelf.1
         ./patchelf.spec.in
-        ./src
+        (lib.fileset.difference ./src (
-        ./tests
+          lib.fileset.unions [
+            ./src/Makefile.am
+            ./src/meson.build
+          ]
+        ))
+        (lib.fileset.difference ./tests (
+          lib.fileset.unions [
+            ./tests/Makefile.am
+            #./tests/meson.build
+          ]
+        ))
         ./version
       ];
 
       autotoolsSrcFiles = [
         ./Makefile.am
+        ./src/Makefile.am
+        ./tests/Makefile.am
         ./configure.ac
         ./m4
       ];
@@ -51,6 +63,12 @@
         ./CMakeLists.txt
       ];
 
+      mesonSrcFiles = [
+        ./meson.build
+        ./meson.options
+        ./src/meson.build
+      ];
+
       autotoolsSrc = lib.fileset.toSource {
         root = ./.;
         fileset = lib.fileset.unions (baseSrcFiles ++ autotoolsSrcFiles);
@@ -89,7 +107,7 @@
           inherit version;
           src = lib.fileset.toSource {
             root = ./.;
-            fileset = lib.fileset.unions (baseSrcFiles ++ autotoolsSrcFiles ++ cmakeSrcFiles);
+            fileset = lib.fileset.unions (baseSrcFiles ++ autotoolsSrcFiles ++ cmakeSrcFiles ++ mesonSrcFiles);
           };
           versionSuffix = ""; # obsolete
           preAutoconf = "echo ${version} > version";
@@ -133,6 +151,8 @@
 
         build-cmake = forAllSystems (system: self.packages.${system}.patchelf-cmake);
 
+        build-meson = forAllSystems (system: self.packages.${system}.patchelf-meson);
+
         # x86_64-linux seems to be only working clangStdenv at the moment
         build-sanitized-clang = lib.genAttrs [ "x86_64-linux" ] (
           system:
@@ -151,6 +171,7 @@
             self.hydraJobs.build.x86_64-linux
             self.hydraJobs.build.i686-linux
             self.hydraJobs.build-cmake.x86_64-linux
+            self.hydraJobs.build-meson.x86_64-linux
             # FIXME: add aarch64 emulation to our github action...
             #self.hydraJobs.build.aarch64-linux
             self.hydraJobs.build-sanitized.x86_64-linux
@@ -190,6 +211,7 @@
                 };
                 nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [
                   #pkgs.buildPackages.cmake
+                  #pkgs.buildPackages.meson
                   #pkgs.buildPackages.ninja
                   modular.pre-commit.settings.package
                   (pkgs.buildPackages.writeScriptBin "pre-commit-hooks-install" modular.pre-commit.settings.installationScript)
@@ -245,6 +267,14 @@
             };
           };
 
+          patchelf-meson = pkgs.callPackage ./package-meson.nix {
+            inherit version;
+            src = lib.fileset.toSource {
+              root = ./.;
+              fileset = lib.fileset.unions (baseSrcFiles ++ mesonSrcFiles);
+            };
+          };
+
           # This is a good test to see if packages can be cross-compiled. It also
           # tests if our testsuite uses target-prefixed executable names.
           patchelf-musl-cross = patchelfFor pkgs.pkgsCross.musl64;

maintainers/flake-module.nix

@@ -40,6 +40,29 @@
           cmake-format = {
             enable = true;
           };
+          meson-format =
+            let
+              meson = pkgs.meson.overrideAttrs {
+                doCheck = false;
+                doInstallCheck = false;
+                patches = [
+                  (pkgs.fetchpatch {
+                    url = "https://github.com/mesonbuild/meson/commit/38d29b4dd19698d5cad7b599add2a69b243fd88a.patch";
+                    hash = "sha256-PgPBvGtCISKn1qQQhzBW5XfknUe91i5XGGBcaUK4yeE=";
+                  })
+                ];
+              };
+            in
+            {
+              enable = true;
+              files = "(meson.build|meson.options)$";
+              entry = "${pkgs.writeScript "format-meson" ''
+                #!${pkgs.runtimeShell}
+                for file in "$@"; do
+                  ${lib.getExe meson} format -ic ${../meson.format} "$file"
+                done
+              ''}";
+            };
           nixfmt-rfc-style = {
             enable = true;
           };

meson.build

@@ -0,0 +1,36 @@
+project(
+  'patchelf',
+  'cpp',
+  'c',
+  version : files('version'),
+  default_options : {
+    'cpp_std' : 'c++17',
+    'warning_level' : '2',
+  },
+  meson_version : '>=1.2',
+)
+
+subdir('src')
+#subdir('tests') # TODO
+
+install_man('patchelf.1')
+
+#specfile = configure_file(
+#  output : 'patchelf.spec',
+#  configuration : {'PACKAGE_VERSION' : meson.project_version()},
+#)
+
+# Commented things out should only be for `meson dist`. Need to
+# reimplement for that.
+install_data(
+  'README.md',
+  #'COPYING',
+  #specfile,
+  #'version',
+  install_dir : get_option('datadir') / 'doc' / 'patchelf',
+)
+
+install_data(
+  'completions/zsh/_patchelf',
+  install_dir : get_option('datadir') / 'zsh' / 'site-functions',
+)

meson.format

@@ -0,0 +1,7 @@
+indent_by = '  '
+space_array = true
+kwargs_force_multiline = false
+wide_colon = true
+group_arg_value = true
+indent_before_comments = ' '
+use_editor_config = true

meson.options

@@ -0,0 +1,7 @@
+option(
+  'page_size',
+  type : 'combo',
+  value : 'auto',
+  choices : [ 'auto', '4096', '65536', '16384', '8192' ],
+  description : 'Default page size, or "auto" to detect at runtime',
+)

package-meson.nix

@@ -0,0 +1,17 @@
+{
+  stdenv,
+  meson,
+  ninja,
+  version,
+  src,
+}:
+
+stdenv.mkDerivation {
+  pname = "patchelf";
+  inherit version src;
+  nativeBuildInputs = [
+    meson
+    ninja
+  ];
+  doCheck = true;
+}

src/meson.build

@@ -0,0 +1,18 @@
+# Configure DEFAULT_PAGESIZE via config.h
+confdata = configuration_data()
+page_size = get_option('page_size')
+if page_size != 'auto'
+  confdata.set_quoted('DEFAULT_PAGESIZE', page_size)
+else
+  # For "auto", leave it undefined so runtime detection happens
+endif
+
+config_h = configure_file(output : 'config.h', configuration : confdata)
+
+executable(
+  'patchelf',
+  [ 'patchelf.cc', 'patchelf.h', config_h ],
+  include_directories : include_directories('.'),
+  cpp_args : [ '-include', meson.current_build_dir() / 'config.h' ],
+  install : true,
+)